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Biology4kids
Information about cells, vertebrates and invertebrates, plants, microorganisms and animal systems. Learn about the scientific method.

BIODIDAC
A bank of digital resources for teaching biology

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Teoría de la Relatividad General

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Anatomía comparada de los primates:

Skel​etons

Anatomy & Physiology

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Animals

Classification and characteristics





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TESTS

(with audio)

QUIZZES

Science for ESL students